Native to:
Albania,
Algeria,
Austria,
Azores,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Greenland,
Hungary,
Iceland,
Ireland,
Irkutsk,
Italy,
Massachusetts,
Michigan,
Mongolia,
Morocco,
Netherlands,
New Hampshire,
New York,
Newfoundland,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Nova Scotia,
Ontario,
Poland,
Portugal,
Québec,
Romania,
Sicilia,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Ukraine,
Vermont,
West Siberia,
Yugoslavia
Introduced into:
Chatham Is.,
Costa Rica,
Idaho,
New Zealand North,
New Zealand South,
Oregon,
South Georgia,
Tasmania